We investigate how the expansion of Craigslist into different states over a 11 year period in the United States affected the incidence of HIV. Using a natural experiment setup, we identify the effects of Craigslist's entry on HIV trends by exploiting the variations across states and time. After...

The Internet has had profound effects on society, both positive and negative. In this paper we examine the effect of the Internet on a negative spillover: hate crime. In order to better understand the link, we study the extent to which broadband availability affects racial hatecrimes in the US...

The effect of law changes on public sector productivity is a growing, yet underresearched, area in economics. Nineteen states enacted state wiretapping legislation following the 9/11 terror attacks, the provisions of which mirror the provisions in the USA PATRIOT Act that relaxed the use of...

Darknet markets have been increasingly used for the transaction of illegal products and services in the last decade. In particular, it is estimated that drugs make up two-thirds of darknet market transactions. The growth of illicit transactions on darknet markets have led enforcement agencies to...